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Recent questions in Chemistry
0
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1
answer
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Calculate the standard enthalpy change for the neutralization reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH), given the balanced chemical equation: HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(l). The enthalpies of formation for NaCl(aq) and H2O(l) are -407.3 kJ/mol and -285.8 kJ/mol, respectively. The specific heat capacity of the solution is 4.18 J/(g*K), and the mass of the resulting solution is 100 g.
asked
4 days
ago
in
Chemical thermodynamics
by
RoxieMatra31
(
430
points)
0
votes
1
answer
40
views
Calculate the standard enthalpy change for the neutralization reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH), given the appropriate thermochemical equations and the following information:- Heat evolved during the reaction, Q = -58.35 kJ/mol- Moles of HCl used, n(HCl) = 0.05 mol- Concentration of NaOH solution, c(NaOH) = 2 M- Volume of NaOH solution used, V(NaOH) = 25.0 mL (assuming density of 1.00 g/mL)Show your calculations and include units in your final answer.
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4 days
ago
in
Chemical thermodynamics
by
CarmenNorthe
(
550
points)
0
votes
1
answer
33
views
Calculate the standard enthalpy change for the neutralization reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH), given that the reaction produces water and sodium chloride as products. The molar enthalpy of formation for water is -285.8 kJ/mol and for NaCl is -411.2 kJ/mol. The balanced chemical equation for the reaction is: HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(l)
asked
4 days
ago
in
Chemical thermodynamics
by
PUPMora98542
(
450
points)
0
votes
1
answer
28
views
Calculate the standard enthalpy change for the neutralization reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH) using the following information:- The standard enthalpy of formation for HCl is -92.31 kJ/mol - The standard enthalpy of formation for NaOH is -469.11 kJ/mol The balanced equation for the reaction is:HCl (aq) + NaOH (aq) → NaCl (aq) + H2O (l)
asked
4 days
ago
in
Chemical thermodynamics
by
MaurineBenes
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370
points)
0
votes
1
answer
22
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Calculate the standard enthalpy change for the neutralization reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH) in aqueous solutions. The balanced chemical equation for the reaction is as follows:HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(l) Given the enthalpy of formation for HCl(aq) is -167.2 kJ/mol, NaOH(aq) is -469.14 kJ/mol, NaCl(aq) is -407.3 kJ/mol, and H2O(l) is -285.83 kJ/mol. The reaction is carried out at standard temperature and pressure.
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4 days
ago
in
Chemical thermodynamics
by
Kindra62Z818
(
370
points)
0
votes
1
answer
27
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Calculate the standard enthalpy change for the neutralization reaction between 50.0 mL of 0.100 M hydrochloric acid and 75.0 mL of 0.080 M sodium hydroxide. Given: the specific heat capacity of the solution is 4.18 J/g°C and the density of the solution is 1.00 g/mL. The balanced chemical equation for the reaction is HCl (aq) + NaOH (aq) → NaCl (aq) + H2O (l).
asked
4 days
ago
in
Chemical thermodynamics
by
KellieBarber
(
430
points)
0
votes
1
answer
32
views
Calculate the standard enthalpy change for the neutralization of hydrochloric acid (HCl) with sodium hydroxide (NaOH) in aqueous solution when 50.0 mL of 0.100 M HCl was used and 75.0 mL of 0.075 M NaOH was added. Assume that the specific heat capacity of the solution is 4.18 J/g·K and the density of the solution is 1.00 g/mL.
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4 days
ago
in
Chemical thermodynamics
by
LillianWirth
(
290
points)
0
votes
1
answer
22
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Calculate the standard enthalpy change for the neutralization of HCl with NaOH, given that the heat of formation of water is -285.8 kJ/mol, the heat of formation of NaCl is -411.1 kJ/mol, and the initial concentrations of HCl and NaOH are 1.0 M.
asked
4 days
ago
in
Chemical thermodynamics
by
CatalinaBerg
(
630
points)
0
votes
1
answer
25
views
Calculate the standard enthalpy change for the neutralization of 50.0 mL of 0.100 M hydrochloric acid with 50.0 mL of 0.100 M sodium hydroxide, assuming that the specific heat capacity of the resulting solution is 4.18 J/g °C and the density of the solution is 1.00 g/mL.
asked
4 days
ago
in
Chemical thermodynamics
by
MurielC91559
(
450
points)
0
votes
1
answer
26
views
Calculate the standard enthalpy change for the neutralization of 50 mL of 0.1 M hydrochloric acid with 50 mL of 0.1 M sodium hydroxide at a constant temperature of 25°C, given that the specific heat capacity of the resulting solution is 4.18 J/g°C and its density is 1 g/mL.
asked
4 days
ago
in
Chemical thermodynamics
by
OZGAustin772
(
390
points)
0
votes
1
answer
37
views
Calculate the standard enthalpy change for the neutralization of 50 mL of 0.1 M hydrochloric acid with 50 mL of 0.1 M sodium hydroxide at a constant pressure and a temperature of 25°C. The balanced equation for the reaction is: HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(l)
asked
4 days
ago
in
Chemical thermodynamics
by
SanfordRobso
(
310
points)
0
votes
1
answer
26
views
Calculate the standard enthalpy change for the neutralization of 25.0 mL of 1.0 M hydrochloric acid (HCl) with 25.0 mL of 1.0 M sodium hydroxide (NaOH) solution at 25°C, given that the specific heat capacity of the solutions is 4.18 J/g°C, and the density of the solutions is 1.00 g/mL.
asked
4 days
ago
in
Chemical thermodynamics
by
ElmerAnderse
(
470
points)
0
votes
1
answer
38
views
Calculate the standard enthalpy change for the neutralization of 25 mL of 0.10 M hydrochloric acid with 25 mL of 0.10 M sodium hydroxide. Assume the specific heat capacity of the solution to be 4.18 J/(g*K) and the density of the solution to be 1.00 g/mL. The temperature change observed during the reaction was 4.5°C.
asked
4 days
ago
in
Chemical thermodynamics
by
ErnestoBrook
(
570
points)
0
votes
1
answer
28
views
Calculate the standard enthalpy change for the melting of 10 grams of ice at -10°C to liquid water at 20°C, given the specific heat capacity of water is 4.18 J/g°C and the enthalpy of fusion of water is 6.01 kJ/mol.
asked
4 days
ago
in
Chemical thermodynamics
by
LinHeady0911
(
430
points)
0
votes
1
answer
33
views
Calculate the standard enthalpy change for the liquid-to-gas phase transition of water at 100°C and atmospheric pressure, given that the enthalpy of vaporization of water is 40.7 kJ/mol.
asked
4 days
ago
in
Chemical thermodynamics
by
GeraldoMendi
(
370
points)
0
votes
1
answer
49
views
Calculate the standard enthalpy change for the given reaction using the given data:2H2(g) + O2(g) --> 2H2O(l)Given:ΔHf°(H2O(l)) = -285.83 kJ/molΔHf°(O2(g)) = 0 kJ/molΔHf°(H2(g)) = 0 kJ/mol
asked
4 days
ago
in
Chemical thermodynamics
by
JillSunderla
(
530
points)
0
votes
1
answer
35
views
Calculate the standard enthalpy change for the fusion reaction of solid sodium chloride (NaCl) at 25°C, given the following information: ΔHf°[NaCl(s)] = -411 kJ/molΔHf°[Na(s)] = 108 kJ/molΔHf°[Cl2(g)] = 0 kJ/mol The balanced chemical equation for the fusion reaction of NaCl is:NaCl(s) → Na(s) + 1/2Cl2(g)
asked
4 days
ago
in
Chemical thermodynamics
by
ValeriaMetca
(
450
points)
0
votes
1
answer
41
views
Calculate the standard enthalpy change for the fusion reaction of solid lithium at its melting point, assuming that the reaction is carried out under standard conditions.
asked
4 days
ago
in
Chemical thermodynamics
by
CecilaNicola
(
360
points)
0
votes
1
answer
36
views
Calculate the standard enthalpy change for the fusion reaction of a sodium atom. Given the enthalpy of formation of Na(g) is 107.3 kJ/mol and the enthalpy of fusion of Na(s) is 2.6 kJ/mol.
asked
4 days
ago
in
Chemical thermodynamics
by
BCRMillie247
(
710
points)
0
votes
1
answer
53
views
Calculate the standard enthalpy change for the fusion reaction of 50g of ice at 0°C with 450g of liquid water at 25°C. The molar enthalpy of fusion of ice is 6.01 kJ/mol and the specific heat capacity of water is 4.18 J/g·°C. Assume there are no heat losses to the surroundings.
asked
4 days
ago
in
Chemical thermodynamics
by
JamisonNoel
(
670
points)
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